Walter TNMG160308-MP5 WPP20G Tiger-tec Gold Carbide Turning Insert (6pc)
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Walter TNMG160308-MP5 WPP20G Tiger-tec Gold carbide turning inserts are new, factory-sealed, and made in Germany, sold as a box of 6 (EDP 8116010). The ISO designation decodes as follows: T = triangular shape (60°), N = 0° clearance angle, M = medium tolerance class, G = single-sided with chipbreaker/hole, 16 = 16mm inscribed circle, 03 = 3.18mm thickness, 08 = 0.8mm nose radius, MP5 = Walter's medium-to-finishing chipbreaker geometry optimized for positive cutting action and low cutting forces. The WPP20G grade is a CVD-coated (Tiger-tec Gold technology) cemented carbide targeting ISO P materials (steels), with the gold TiN outer layer providing visual wear detection; the box label confirms suitability for P and K workpiece materials. Recommended cutting speeds are 190–310 m/min (610–1020 sfm) for P-class steels and 270–540 m/min (870–1770 sfm) for K-class cast irons, with feed range 0.18–0.35 mm/rev and depth of cut 0.5–4.0 mm. These inserts are compatible with MTJN/MTJNR/MTJNL and other T-style negative toolholders accepting TNMG 16 inserts.
Product Specifications
| Brand | Walter |
| MPN | TNMG160308-MP5 |
| Grade | WPP20G |
| Coating | CVD Tiger-tec Gold (TiAlN/TiN outer layer) |
| Insert Shape | Triangular (T) — 60° |
| Clearance Angle | 0° (N) |
| Tolerance Class | M |
| Chipbreaker / Fixing | G — hole, single-sided, chipbreaker |
| Inscribed Circle (IC) | 16 mm |
| Insert Thickness | 3.18 mm |
| Nose Radius | 0.8 mm |
| Chipbreaker Geometry | MP5 (medium-finishing, low cutting force) |
| ISO Material Groups | P (steel), K (cast iron) |
| Cutting Speed — P Steel | 190–310 m/min / 610–1020 sfm |
| Cutting Speed — K Cast Iron | 270–540 m/min / 870–1770 sfm |
| Feed Range | 0.18–0.35 mm/rev (0.007–0.014 in/rev) |
| Depth of Cut (ap) | 0.5–4.0 mm (0.024–0.157 in) |
| Country of Origin | Germany |
| EDP # | 8116010 |
| Qty per Box | 6 |
| Condition | New |
